2020 Next Generation Sierra Heavy Duty Coming Soon

The 2020 GMC Next Generation Sierra Heavy Duty coming soon to Joyce Koons Buick GMC in Manassas, VA – close to Sterling, Fairfax, and Chantilly – makes your toughest jobs easier than ever. A gas engine comes standard, but the real power lies in the optional 6.6L Duramax Turbo Diesel V8 engine with 445 horsepower and 910 lb.-ft. of torque. It provides an incredible best-in-class maximum towing capacity of up to 35,500 lbs1 and pairs phenomenally with the available Allison® 10-speed automatic transmission. A bigger grille and engine fan are on board to improve cooling to the engine, while upgraded brakes and steering help out while you’re driving. Loading up and getting on the road are both super convenient with optional bed and rear-side view cameras, as well as the available ProGrade™ trailering system with an in-vehicle trailering app and 15 unique camera views.2 You’re also sure to be thrilled with the optional multicolor diagonal 15-inch Head-Up display that shows relevant information directly in front of you so you don’t have to look away from the road.

PULL YOUR WORLD

The Next Generation Sierra Heavy Duty delivers world-class capability and advanced trailering technology that work together to create the power you need to tow with command and control.

†Requires 3500 Regular Cab DRW 2WD equipped with available 6.6L Duramax Diesel and gooseneck hitch. Before you buy a vehicle or use it for trailering, carefully review the trailering section of the Owner’s Manual. The weight of passengers, cargo and options or accessories may reduce the amount you can tow.

PROGRADE™ TRAILERING SYSTEM

An available system of intelligent technologies improves the trailering experience by adding functionality and convenience. An In-Vehicle Trailering App†, and class-leading available 15 unique camera views† help improve the hitching and towing experience.

†App functionality and features vary with vehicle equipment and trim level. Device data connection may be required. Some features require connected vehicle services trial or active plan and working electrical system.

MULTIPRO™ TAILGATE

The World’s First Six-Function MultiPro™ Tailgate, available on Sierra Heavy Duty, improves cargo-box accessibility and functionality by adapting to your needs with six different functions – making loading and unloading quicker and easier.